至于准确性去，公平的说pdf比图片好的多，特别是白纸黑字的文件。

As far as accuracy goes, PDFs fair much better than images, especially basic black text on a white background.

youdao

我相信，他们喜欢象形的中国汉字，我想，这种白纸黑字的书写艺术，本身对孩子就有很大的魅力。

I believe they like the cool shape of the Chinese characters. I think the black and white writing art itself has its own attractiveness to the kids too.

youdao

Now, you may not think that implied consent is as good as the real thing.

不过你可能认为默认的同意不如白纸黑字的协议。

耶鲁公开课 - 公正课程节选